Initial revision

From-SVN: r143

gcc/config/m68k/sun2.h

+/* Definitions of target machine for GNU compiler.  Sun 68010 version.
+   Copyright (C) 1987, 1988 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+
+#include "m68k.h"
+
+/* See m68k.h.  0 means 68000 with no 68881.  */
+
+#define TARGET_DEFAULT 0
+
+/* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
+   This will control the use of inline 68881 insns in certain macros.
+   Also inform the program which CPU this is for.  */
+
+#define CPP_SPEC "%{m68881:-D__HAVE_68881__} \
+%{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
+
+/* -m68020 requires special flags to the assembler.  */
+
+#define ASM_SPEC \
+ "%{m68020:-mc68020}%{mc68020:-mc68020}%{!mc68020:%{!m68020:-mc68010}} \
+  %{fpic:-k} %{fPIC:-k}"
+  
+/* Names to predefine in the preprocessor for this target machine.  */
+
+#define CPP_PREDEFINES "-Dmc68000 -Dsun -Dunix"
+
+/* Prevent error on `-sun2' and `-target sun2' options.  */
+
+#define CC1_SPEC "%{sun2:} %{target:}"
+
+/* These compiler options take an argument.  We ignore -target for now.  */
+
+#define WORD_SWITCH_TAKES_ARG(STR)				\
+ (!strcmp (STR, "Tdata") || !strcmp (STR, "include")		\
+  || !strcmp (STR, "imacros") || !strcmp (STR, "target")	\
+  || !strcmp (STR, "assert"))
+
+/* Specify what to link with.  */
+
+/* Link with libg.a when debugging, for dbx's sake.  */
+/* Include the support for -a when appropriate.  */
+#define LIB_SPEC "%{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p} \
+%{a:/usr/lib/bb_link.o -lc} "
+
+/* Alignment of field after `int : 0' in a structure.  */
+
+#undef EMPTY_FIELD_BOUNDARY
+#define EMPTY_FIELD_BOUNDARY 16
+
+/* Every structure or union's size must be a multiple of 2 bytes.  */
+
+#define STRUCTURE_SIZE_BOUNDARY 16
+
+/* This is BSD, so it wants DBX format.  */
+
+#define DBX_DEBUGGING_INFO